Replacement How to replace install fix change hid head light ballast computer DIY 2002 2003 Acura TL

Introduction

This tutorial provides a step-by-step guide on how to replace the HID headlight ballast in a 2002-2003 Acura TL. If your headlights are malfunctioning, replacing the ballast may resolve the issue. Ensure you have the right tools and a new ballast before starting.

Step 1: Prepare for the Replacement

• Ensure your vehicle is parked on a level surface and the engine is off.
• Disconnect the negative battery terminal to prevent any electrical issues.
• If you haven't done so, watch the first part of the tutorial to learn how to remove the front bumper.

Step 2: Remove the Headlight Assembly

• Locate and remove the top two mounting screws on the headlight using a 10 mm socket and ratchet.
• Use an extension for better reach.
• Identify the bottom mounting screws:
  • Ignore the bottom one attached to the fender.
  • Remove the top screw and two additional screws located at the bottom of the headlight.

Step 3: Disconnect the Headlight Bulb Plugs

• Gently pull the headlight assembly away from the vehicle, being careful not to pull too far to avoid damaging the wiring.
• Identify the four plugs connected to the bulbs:
  • Push down on the tab of each plug to disconnect them.
  • For easier removal, twist out the plugs if they are stubborn.

Step 4: Remove the Ballast

• Place the headlight assembly on a stable surface.
• Locate the three Phillips screws securing the ballast. Remove them using a Phillips screwdriver.
• Carefully pull back on the ballast to expose the connector.
• Disconnect the ballast by pressing down on the white tab and pulling back.

Step 5: Install the New Ballast

• Take your new ballast and connect it to the corresponding socket.
• Secure the ballast in place by replacing the screws you removed earlier.

Step 6: Reassemble the Headlight Assembly

• Reconnect the headlight bulb plugs ensuring they are in their correct positions.
• Carefully slide the headlight assembly back into its original position, ensuring the tabs fit into the appropriate slots.

Step 7: Secure the Headlight Assembly

• Reinsert the top mounting screws to hold the headlight assembly in place.
• Reattach the lower bracket by replacing the three mounting bolts, tightening them gradually to avoid stripping.

Step 8: Reinstall the Front Bumper

• Align the bumper with the vehicle and slide it onto the rebar.
• Before fully attaching it, reconnect the fog light plugs on both sides.
• Ensure that the bumper tabs fit into their designated slots.

Step 9: Final Adjustments

• Once the bumper is in place, check that all side tabs are correctly seated.
• Reinsert and tighten any screws that secure the bumper to the vehicle.

Conclusion

You have successfully replaced the HID headlight ballast in your Acura TL. Make sure to reconnect the negative battery terminal before starting the vehicle. If the headlights still do not function properly, consider checking the bulbs or consulting a professional. Enjoy improved visibility with your newly installed ballast!